package com.atguigu.lease.common.interceptor;

import com.atguigu.lease.common.context.LoginUser;
import com.atguigu.lease.common.context.LoginUserContext;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

@Component
@Slf4j
public class AuthenticationInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String token = request.getHeader("ACCESS_TOKEN");
        if(token == null){
            System.out.println(token);
        }else{
            try {
                Claims claims = JwtUtil.parseToken(token);
                Long userId = claims.get("userId", Long.class);
                String username = claims.get("username", String.class);
                LoginUser loginUser = new LoginUser(userId, username);
                LoginUserContext.setLoginUser(loginUser);
            }catch (LeaseException e) {
                return false;
            }
        }
        return true;
    }
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        LoginUserContext.remove();
    }

}
